This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 21 |
| 3 | 45 |
| 4 | 52 |
| 5 | 225 |
| 6 | 301 |
| 7 | 344 |
| 8 | 441 |
| 9 | 697 |
| 10 | 1225 |
| 11 | 1333 |
| 12 | 1540 |
| 13 | 1625 |
| 14 | 1680 |
| 15 | 1695 |
| 16 | 1909 |
| 17 | 2025 |
| 18 | 2041 |
| 19 | 2145 |
| 20 | 2295 |
| 21 | 2466 |
| 22 | 2601 |
| 23 | 2926 |
| 24 | 3051 |
| 25 | 3104 |
| 26 | 3146 |
| 27 | 3400 |
| 28 | 3510 |
| 29 | 3738 |
| 30 | 3888 |
| 31 | 3901 |
| 32 | 4030 |
| 33 | 4186 |
| 34 | 4251 |
| 35 | 4375 |
| 36 | 4641 |
| 37 | 4675 |
| 38 | 4693 |
| 39 | 4930 |
| 40 | 5005 |
| 41 | 5085 |
| 42 | 5244 |
| 43 | 5425 |
| 44 | 6025 |
| 45 | 6105 |